casting.sh

#! /bin/bash


INRES="1920x1080"                                            # input resolution
#OUTRES="1024x640"                                           # Output resolution
OUTRES="1920x1080"                                           # Output resolution
FPS="30"                                                     # target FPS

# Write your key in a file named .twitch_key in your home directory
STREAM_KEY=$(cat ~/.twitch_key)   # This is your streamkey generated by jtv/twitch found at: http://www.justin.tv/broadcast/adv_other

avconv \
    -f x11grab -s $INRES  -r "$FPS" -i :0.0 -itsoffset 00:00:01 \
    -f alsa -ac 2 -i pulse  \
    -vcodec libx264 -s $OUTRES \
    -acodec libmp3lame -ar 44100 -threads 4 -qscale 3 -b 712000  -bufsize 512k \
    -f flv "rtmp://live.justin.tv/app/$STREAM_KEY"